X/y-Intercepts, Slope-Intercepts And Point-Slope Worksheet Page 7

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Solving Systems By Graphing Worksheet
Solve the following systems of equations by graphing. Be sure to indicate and test the solution to the system.
1. Y = 4x + 7
2.
Y = -x + 2
Y = -3x
3x + 3y = 12
y
y
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
x
–8
–7
–6
–5
–4
–3
–2
–1
–1
1
2
3
4
5
6
7
8
x
–8
–7
–6
–5
–4
–3
–2
–1
–1
1
2
3
4
5
6
7
8
–2
–2
–3
–3
–4
–4
–5
–5
–6
–6
–7
–7
–8
–8
Solution:
Solution:
3. Y = 3x + 2
4. 3x – 6y = 12
2x + y = -8
2x -4y = 8
y
y
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
–8
–7
–6
–5
–4
–3
–2
–1
–1
x
1
2
3
4
5
6
7
8
x
–8
–7
–6
–5
–4
–3
–2
–1
–1
1
2
3
4
5
6
7
8
–2
–2
–3
–3
–4
–4
–5
–5
–6
–6
–7
–7
–8
–8
Solution:
Solution:
5. 2x + y = 0
6. Y = 4x
y = 2x - 4
y = -3x
y
y
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
–8
–7
–6
–5
–4
–3
–2
–1
–1
x
1
2
3
4
5
6
7
8
–8
–7
–6
–5
–4
–3
–2
–1
–1
x
–2
1
2
3
4
5
6
7
8
–2
–3
–3
–4
–5
–4
–6
–5
–7
–6
–8
–7
–8
Solution:
Solution:

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